Attachment to hammer drills for driving in expansion shell bolts



FIG. 1 is a front right perspective view of an attachment to hammerdrills for driving in expansion-shell bolts, showing my new design;

FIG. 2 is a top rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof, the opposite sideelevational view being a mirror image thereof; and,

FIG. 6 is a top plan view thereof, the bottom plan view being a mirrorimage thereof.

The ornamental design for an attachment to hammer drills for driving inexpansion shell bolts, as shown and described.